schematic/ contains the EagleCAD files for schematic and board layout, parts list, and Gerber files for PCB manufacturing.

gui/ contains the Java program for receiving results from the CheapStat device via USB.  Source code is located inside .jar file.

mcu/ contains the firmware for the MCU as well as the source files.  AVRstudio 4 and WinAVR are required for compiling source code, and well as AVRISP mkII or equivalent programmer for programming the MCU.
